Fuel Cock Cup Gasket and Permatex?

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29 Aug 2014 18:15 #645630 by kzdcw
Fuel Cock Cup Gasket and Permatex? was created by kzdcw
2 Questions: 77' KZ1000A

1. Does anyone know the size or where I can find the Fuel Cock Cup Gasket for the stock Petcock?

2. My Fuel T's ( 2 ) appear to be in good shape. I don't think they fit real tight in the carb. bodies. Opinions on Yellow Teflon Tape or Permatex High Performance Thread Sealant.

77' KZ1000A

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29 Aug 2014 18:21 #645631 by peter1958

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29 Aug 2014 18:49 - 29 Aug 2014 18:49 #645635 by kzdcw
Replied by kzdcw on topic Fuel Cock Cup Gasket and Permatex?
Thank You.

Now the Permatex / Teflon Tape Question?

77' KZ1000A
Last edit: 29 Aug 2014 18:49 by kzdcw.

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29 Aug 2014 19:49 #645639 by 650ed
Replied by 650ed on topic Fuel Cock Cup Gasket and Permatex?
No eBay APP ID and/or Cert ID defined in Kunena configurationHere's one for little money. Ed



Attachment 00003_2014-08-29.jpg not found


1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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29 Aug 2014 20:00 #645641 by moneypit
Replied by moneypit on topic Fuel Cock Cup Gasket and Permatex?

2-76 kz900
St Paul MN

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29 Aug 2014 22:45 #645649 by kzdcw
Replied by kzdcw on topic Fuel Cock Cup Gasket and Permatex?
Moneypit, Read the Post. How is the Heat Shrink Tubing holding up in your Carburetors? I have some 3/8" heat shrink tubing Harbor Freight, but don't know what kind of chemical resistive properties it may have?

77' KZ1000A

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03 Sep 2014 07:58 #646106 by kzdcw
Replied by kzdcw on topic Fuel Cock Cup Gasket and Permatex?
Repaired Question 1: Went down to Harbor Freight and purchased A Metric Nitrile O-ring kit ( 225 count ) for $4.99. Used ( 2 ) O-rings out of the kit : one for the fuel cup the other for the shut-off valve.

Now to research a few options to better seal the Fuel Tees?

77' KZ1000A

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03 Sep 2014 09:40 #646111 by MFolks
Replied by MFolks on topic Fuel Cock Cup Gasket and Permatex?
If you can locate the heat shrink tubing, with the meltable inner lining, this might seal better than tubing without it. But be careful, as some are a high temperature type & may melt the plastic fittings.

1982 GPZ1100 B2
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GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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03 Sep 2014 10:20 - 03 Sep 2014 10:20 #646113 by martin_csr
Replied by martin_csr on topic Fuel Cock Cup Gasket and Permatex?
wiredgeorge uses an appropriate teflon tape to seal the fuel tees when the rubber fittings or o-rings don't seal. He has a carb rebuild business, so i think he knows what he's doing. :)
Last edit: 03 Sep 2014 10:20 by martin_csr.

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03 Sep 2014 10:24 #646114 by kzdcw
Replied by kzdcw on topic Fuel Cock Cup Gasket and Permatex?
I'll try to email him to see what appropriate teflon tape he uses? I'm thinking Yellow? Only thing I was worried about is that it may dissolve and plug up the carbs.? I have some Permatex High Tack Gasket Sealant. Says it is gasoline resistant. Thought about using It?

77' KZ1000A

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03 Sep 2014 11:02 #646117 by martin_csr
Replied by martin_csr on topic Fuel Cock Cup Gasket and Permatex?
I wouldn't use gasket sealant. The teflon tape just needs to be suitable for gasoline & I guess ethanol. I've never looked into teflon tape to see what its chemical resistance is.

PS: I think Teflon tape is a brand name (DuPont); not sure if plain old plumber's tape is the same type of stuff or what.

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04 Sep 2014 10:25 #646237 by kzdcw
Replied by kzdcw on topic Fuel Cock Cup Gasket and Permatex?
Martin, Got an email back from George. He just replaces the Tees. Get a little more finances together and will order those from Z1 and abandon the idea of Teflon and Sealant.

Still have to replace the Coils and Wires. Not sure what direction to go with that?

77' KZ1000A

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